Westinghouse WET-24K-G
#6 in ElectricFull review
For buyers who want app control on a whole home electric heater. Without published warranty terms, the Stiebel Tempra 24 Trend is the safer buy at the same price.
Amazon $499.99$499.99
The Westinghouse WET-24K-G rates 3.4 among electric tankless water heaters; the Rinnai RE140e rates 3.3 among gas ones. The Westinghouse WET-24K-G costs $384.11 less ($499.99 vs $884.10).
Rinnai RE140e
#17 in GasFull review
A good outdoor heater for a one or two bathroom home in a mild climate.
Amazon $884.10 Amazon $884.10$884.10
Prices were last checked October 31, 2026 and are subject to change; the price and availability shown by the retailer at the time of purchase apply.
Scores side by side
These two sit in different fuel classes (electric and gas), and each is scored against the reference points for its own class, so a rating says how well each does among its own fuel peers. How we rank explains each factor.
| Factor weight | Westinghouse WET-24K-G | Rinnai RE140e |
|---|---|---|
| Overall rating | 3.4/5 | 3.3/5 |
| Value 35% | 58 $20.83 per kW ($499.99, 24 kW) | 58 $6.32 per 1,000 BTU/h ($884.10, 140,000 BTU/h) |
| Heating power 25% | 52 24 kW | 25 140,000 BTU/h |
| Efficiency 15% | 50 UEF not published (neutral score used) | 6 0.81 UEF |
| Warranty 25% | 50 heat exchanger warranty not published (neutral score used) | 100 15-year heat exchanger warranty |
Specifications
| Westinghouse WET-24K-G | Rinnai RE140e | |
|---|---|---|
| Heating | ||
| Fuel | Electric | Gas |
| Gas type | - | Natural gas or propane |
| Gas input | - | 10,400 to 140,000 BTU/h |
| Electric power | 24 kW | - |
| Max flow | 5.5 GPM | 5.3 GPM |
| UEF | - | 0.81 |
| Condensing | - | No |
| ENERGY STAR | - | No |
| Installation | ||
| Venting | - | Outdoor |
| Voltage | 240 V | - |
| Breakers | 120 A total | - |
| Weight | - | 38.3 lb |
| Features | ||
| Built-in recirculation | No | No |
| Wi-Fi | Yes | No |
| Heat exchanger warranty | - | 15 years |
| Parts warranty | - | 5 years |